Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 136,320 pages of information and 219,072 images on early companies, their products and the people who designed and built them.
1899 Dissolution of the Partnership between James Thomas and Lewis William Thomas, carrying on business as Ironfounders and Engineers, at the Dour Iron Foundry, Dover, under the style or firm of A. L. Thomas and Sons. Lewis William Thomas carried on the alone under the present style of A. L. Thomas and Sons.
1902 Incorporated as a Public company, presumably Dover Engineering Works